Speak Subtitles for YouTube
Reads YouTube subtitles out loud with synthetic voices in many languages, so you can listen to a video instead of reading captions.
Chrome extension
Summarizes YouTube videos with timestamped sections, shows and translates transcripts, and lets you chat about the video's content.
Clarify AI condenses YouTube videos into brief timestamped summaries, offers transcript tools and translation, and lets you chat about what the video covers. It is aimed at students and learners who want to study from long videos more quickly.
After installing, open a YouTube video and use the Clarify AI panel on the page to generate a summary, view the transcript or ask questions.
It is designed for YouTube videos, and transcripts and comments are processed by an AI service. Summaries can miss nuance, so check important details in the video itself.